1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.verify;
24  
25  import com.liferay.portal.kernel.log.Log;
26  import com.liferay.portal.kernel.log.LogFactoryUtil;
27  
28  /**
29   * <a href="VerifyProcess.java.html"><b><i>View Source</i></b></a>
30   *
31   * This abstract class should be extended for startup processes that verify the
32   * integrity of the database. They can be added as part of
33   * <code>com.liferay.portal.verify.VerifyProcessSuite</code> or be executed
34   * independently by being set in the portal.properties file. Each of these
35   * processes should not cause any problems if run multiple times. <a
36   * href="VerifyProcess.java.html"><b><i>View Source</i></b></a>
37   *
38   * @author Alexander Chow
39   */
40  public abstract class VerifyProcess {
41  
42      public static final int ALWAYS = -1;
43  
44      public static final int NEVER = 0;
45  
46      public static final int ONCE = 1;
47  
48      public void verify() throws VerifyException {
49          try {
50              if (_log.isInfoEnabled()) {
51                  _log.info("Verifying " + getClass().getName());
52              }
53  
54              doVerify();
55          }
56          catch (Exception e) {
57              throw new VerifyException(e);
58          }
59      }
60  
61      public void verify(VerifyProcess verifyProcess)
62          throws VerifyException {
63  
64          verifyProcess.verify();
65      }
66  
67      protected void doVerify() throws Exception {
68      }
69  
70      private static Log _log = LogFactoryUtil.getLog(VerifyProcess.class);
71  
72  }